Ethyl 5-amino-1,3,4-oxadiazole-2-carboxylate
[CAS 4970-53-0]

Identification

• Name: Ethyl 5-amino-1,3,4-oxadiazole-2-carboxylate
• Molecular Formula: C₅H₇N₃O₃
• Molecular Weight: 157.13
• CAS Registry Number: 4970-53-0
• EC Number: 671-483-9

Properties

• Solubility: Slightly soluble (7.4 g/L) (25 °C), Calc.^*
• Density: 1.362±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 202.0-202.5 °C (ethanol )^**
• Boiling point: 289.1±23.0 °C (760 Torr), Calc.^*
• Flash point: 128.6±22.6 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2019 ACD/Labs)

^** Gehlen, Heinz

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H312
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H332
Serious eye damage	Eye Dam.	1	H318